photogen

P3H4O1T1O1G2E1N1

noun

A light hydrocarbon oil resembling kerosene, used as a lubricant, illuminant, etc.

Scrabble 14
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Meanings

nounphotogen (plural photogens)

plural photogens · alternative photogene

  1. historicalchemistryA light hydrocarbon oil resembling kerosene, used as a lubricant, illuminant, etc.
  2. biologyA microorganism that produces phosphorescence.

Origin

From photo- + -gen.

Full word history & related roots →
Cite this entry
APA

photogen. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/photogen

MLA

“photogen.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photogen. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “photogen,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/photogen.

Source: photogen on Wiktionary, CC BY-SA 4.0.